Legal claims defining the scope of protection, as filed with the USPTO.
1. A method for wireless communications, comprising: determining a multi-mode device that has camped on a packet switched radio access technology (RAT) network is capable of supporting a voice service; determining an attach type from a plurality of attach types based on first parameters of a home network and voice service capability; selecting a first domain from a first plurality of domains for the voice service over the packet switched RAT network utilizing the attach type and one or more second parameters, wherein the first plurality of domains comprise single carrier-circuit switched fall back (1xCSFB) domain; and if the multi-mode device is capable of supporting short message service (SMS), selecting, from a second plurality of domains, a second domain for SMS over the packet switched RAT network utilizing the one or more second parameters and registration information about the selected first domain.
2. The method of claim 1 , wherein the one or more second parameters comprise home operator preferences, visited operator preferences, visited operator capabilities, and user settings.
3. The method of claim 1 , further comprising: receiving a system information block (SIB) message; and selecting the first or the second domain utilizing information included in the SIB message.
4. The method of claim 1 , further comprising: determining priorities of the first and the second plurality of domains; and selecting the first and the second domain based on the determined priorities.
5. The method of claim 1 , further comprising: disabling the packet switched RAT network temporarily if the multi-mode device is unable to select at least one of the first or the second domains; and selecting another RAT that supports voice service or SMS.
6. The method of claim 5 , further comprising: initializing a timer with a predetermined value while disabling the packet switched RAT network; and trying to establish a connection with the disabled packet switched RAT network after the timer expires.
7. The method of claim 1 , further comprising: re-selecting the first domain if a higher priority domain becomes available.
8. The method of claim 1 , wherein the plurality of attach types comprise circuit switched (CS)-only voice service, CS-preferred voice service, packet switched (PS)-only voice service, and PS-preferred voice service.
9. The method of claim 1 , wherein selecting the second domain comprises: selecting a second attach type from a second plurality of attach types comprising packet switched (PS) preferred, and PS not allowed.
10. The method of claim 1 , wherein the packet switched RAT network comprises long term evolution (LTE).
11. The method of claim 1 , further comprising: receiving a system information block (SIB) message; and determining if the packet switched RAT network is a 3rd generation partnership project (3GPP) long term evolution (LTE) or a 3GPP2 LTE network based on the received SIB.
12. The method of claim 1 , further comprising: registering to at least one of the first or the second domains.
13. The method of claim 12 , further comprising: selecting a third domain if the multi-mode device is unable to register to the first domain.
14. The method of claim 1 , wherein the 1xCSFB domain has a lower priority than a CSFB domain that is in compliance with a third generation partnership project (3GPP).
15. A method for wireless communications, comprising: determining, by a user device, an attach type based on one or more first parameters of a home operator and capabilities of the user device; selecting, by the user device and from a plurality of domains, a domain for short message service (SMS) over a packet switched radio access technology (RAT) network based, at least in part, on registration information of a selected first domain and one or more second parameters, wherein the one or more second parameters comprise one or more of home operator preferences, visited operator preferences, visited operator capabilities, or user settings, wherein the plurality of domains comprise SMS over S102 interface, and wherein the one or more second parameters comprise home operator preferences and at least one of visited operator preferences or visited operator capabilities.
16. The method of claim 15 , further comprising: performing registration procedures according to the selected domain; and selecting another domain for SMS if the device is unable to successfully register to the selected domain.
17. The method of claim 15 , further comprising: disabling the packet switched RAT network if the device is unable to successfully register to the selected domain.
18. The method of claim 15 , wherein the packet switched RAT network comprises long term evolution (LTE).
19. An apparatus for wireless communications, comprising: means for determining a multi-mode device that has camped on a packet switched radio access technology (RAT) network is capable of supporting a voice service; means for determining an attach type from a plurality of attach types based on first parameters of a home network and voice service capability; means for selecting a first domain from a first plurality of domains for the voice service over the RAT utilizing the attach type and one or more second parameters, wherein the first plurality of domains comprise single carrier-circuit switched fall back (1xCSFB) domain; and means for selecting, from a second plurality of domains, a second domain for short message service (SMS) over the packet switched RAT network utilizing the one or more second parameters and registration information about the selected first domain if the multi-mode device is capable of supporting SMS.
20. The apparatus of claim 19 , wherein the one or more second parameters comprise home operator preferences, visited operator preferences, visited operator capabilities, and user settings.
21. The apparatus of claim 19 , further comprising: means for receiving a system information block (SIB) message; and means for selecting the first or the second domain utilizing information included in the SIB message.
22. The apparatus of claim 19 , further comprising: means for determining priorities of the first and the second plurality of domains; and means for selecting the first and the second domain based on the determined priorities.
23. The apparatus of claim 19 , further comprising: means for disabling the packet switched RAT network temporarily if the multi-mode device is unable to select at least one of the first or the second domains; and means for selecting another RAT that supports voice service or SMS.
24. The apparatus of claim 23 , further comprising: means for initializing a timer with a predetermined value while disabling the packet switched RAT network; and means for trying to establish a connection with the disabled packet switched RAT network after the timer expires.
25. The apparatus of claim 19 , further comprising: means for re-selecting the first domain if a higher priority domain becomes available.
26. The apparatus of claim 19 , wherein the plurality of attach types comprise circuit switched (CS)-only voice service, CS-preferred voice service, packet switched (PS)-only voice service, and PS-preferred voice service.
27. The apparatus of claim 19 , wherein the means for selecting the second domain comprises: means for selecting a second attach type from a second plurality of attach types comprising packet switched (PS) preferred, and PS not allowed.
28. The apparatus of claim 19 , wherein the packet switched RAT network comprises long term evolution (LTE).
29. The apparatus of claim 19 , further comprising: means for receiving a system information block (SIB) message; and means for determining if the packet switched RAT network is a 3rd generation partnership project (3GPP) long term evolution (LTE) or a 3GPP2 LTE network based on the received SIB.
30. The apparatus of claim 19 , further comprising: means for registering to at least one of the first or the second domains.
31. The apparatus of claim 30 , further comprising: means for selecting a third domain if the multi-mode device is unable to register to the first domain.
32. The apparatus of claim 19 , wherein the 1xCSFB domain has a lower priority than a CSFB domain that is in compliance with a third generation partnership project (3GPP).
33. An apparatus for wireless communications, comprising: means for determining an attach type for the apparatus based on one or more first parameters of a home operator and capabilities of the apparatus; means for selecting, from a plurality of domains, a domain for short message service (SMS) over a packet switched radio access technology (RAT) network based, at least in part, on registration information of a selected first domain and one or more second parameters, wherein the one or more second parameters comprise one or more of home operator preferences, visited operator preferences, visited operator capabilities, or user settings, wherein the plurality of domains comprise SMS over S102 interface, and wherein the one or more second parameters comprise home operator preferences and at least one of visited operator preferences or visited operator capabilities.
34. The apparatus of claim 33 , further comprising: means for performing registration procedures according to the selected domain; and means for selecting another domain for SMS if the apparatus is unable to successfully register to the selected domain.
35. The apparatus of claim 33 , further comprising: means for disabling the packet switched RAT network if the apparatus is unable to successfully register to the selected domain.
36. The apparatus of claim 33 , wherein the packet switched RAT network comprises long term evolution (LTE).
37. An apparatus for wireless communications, comprising: at least one processor configured to determine a multi-mode device that has camped on a packet switched radio access technology (RAT) network is capable of supporting a voice service, determine an attach type from a plurality of attach types based on first parameters of a home network and voice service capability, select a first domain from a first plurality of domains for the voice service over the packet switched RAT network utilizing the attach type and one or more second parameters, wherein the first plurality of domains comprise single carrier-circuit switched fall back (1xCSFB) domain, and, if the multi-mode device is capable of supporting short message service (SMS), selecting, from a second plurality of domains, a second domain for SMS over the packet switched RAT network utilizing the one or more second parameters and registration information about the selected first domain; and a memory coupled with the at least one processor.
38. An apparatus for wireless communications, comprising: at least one processor configured to determine an attach type for the apparatus based on one or more first parameters of a home operator and capabilities of the apparatus and select, from a plurality of domains, a domain for short message service (SMS) over a packet switched radio access technology (RAT) network based, at least in part, on registration information of a selected first domain and one or more second parameters, wherein the one or more second parameters comprise one or more of home operator preferences, visited operator preferences, visited operator capabilities, or user settings, wherein the plurality of domains comprise SMS over S102 interface; a memory coupled with the at least one processor, and wherein the one or more second parameters comprise home operator preferences and at least one of visited operator preferences or visited operator capabilities.
39. A non-transitory computer readable medium having instructions stored thereon which, when executed by one or more processors, cause the one or more processors to: determine a multi-mode device that has camped on a packet switched radio access technology (RAT) network is capable of supporting a voice service; determine an attach type from a plurality of attach types based on first parameters of a home network and voice service capability; select a first domain from a first plurality of domains for the voice service over the packet switched RAT network utilizing the attach type and one or more second parameters, wherein the first plurality of domains comprise single carrier-circuit switched fall back (1xCSFB) domain; and if the multi-mode device is capable of supporting short message service (SMS), select, from a second plurality of domains, a second domain for SMS over the packet switched RAT network utilizing the one or more second parameters and registration information about the selected first domain.
40. A non-transitory computer readable medium having instructions stored thereon, which, when executed by one or more processors of a user device, cause the one or more processors to: determine an attach type for the user device, based on one or more first parameters of a home operator and capabilities of the user device; select, from a plurality of domains, a domain for short message service (SMS) over a packet switched radio access technology (RAT) network based, at least in part, on registration information of a selected first domain and one or more second parameters, wherein the one or more second parameters comprise one or more of home operator preferences, visited operator preferences, visited operator capabilities, or user settings, wherein the plurality of domains comprise SMS over S102 interface, and wherein the one or more second parameters comprise home operator preferences and at least one of visited operator preferences or visited operator capabilities.
Unknown
July 4, 2017
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